Pith Number

pith:WY4EKDWZ

pith:2020:WY4EKDWZBSU5OKSLSUEVWQP5ZB

not attested not anchored not stored refs pending

A Survey on Recent Advances in Sequence Labeling from Deep Learning Models

Shanshan Feng, Sheng Jiang, Wei Wei, Xianling Mao, Zanbo Wang, Zhiyong He

arxiv:2011.06727 v1 · 2020-11-13 · cs.CL · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WY4EKDWZBSU5OKSLSUEVWQP5ZB}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T01:51:24.551925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b638450ed90ca9d72a4b95095b41fdc842dc49fd529fe1ec34347f572b7a4f84

Aliases

arxiv: 2011.06727 · arxiv_version: 2011.06727v1 · doi: 10.48550/arxiv.2011.06727 · pith_short_12: WY4EKDWZBSU5 · pith_short_16: WY4EKDWZBSU5OKSL · pith_short_8: WY4EKDWZ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/WY4EKDWZBSU5OKSLSUEVWQP5ZB \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b638450ed90ca9d72a4b95095b41fdc842dc49fd529fe1ec34347f572b7a4f84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7271561021a04c9e05f552cf626c83233ae259ebedc8a94f355dc6d33e633549",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-11-13T02:29:50Z",
    "title_canon_sha256": "8b9b07d2c5128695699fd0f760c664538bb01914672d9ea742ac13c42a855a4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.06727",
    "kind": "arxiv",
    "version": 1
  }
}